WIRELESS DOOR LOCK CONTROL SYSTEM(w/o Entry and Start System)

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • The wireless door lock control system troubleshooting procedures are based on the premise that the power door lock control system is operating properly. Check the power door lock control system first before troubleshooting the wireless door lock control system. Use this procedure to troubleshoot the wireless door lock control system.

  • *: Use the GTS.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

    Result

    Proceed to

    NEXT
    NEXT

  2. CUSTOMER PROBLEM ANALYSIS CHECK

    Tip:

    • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.

    • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

    • The following 5 items are important points for problem analysis:

    What

    Vehicle model, system name

    When

    Date, time, occurrence frequency, whether the problem occurred recently or has been occurring for a long time

    Where

    Whether the problem occurs at a specific location

    Under what conditions?

    Whether the doors were locked or unlocked, whether the ignition switch was on, whether the engine has started

    How did it happen?

    Problem symptoms

    Result

    Proceed to

    NEXT
    NEXT

  3. INSPECT BATTERY VOLTAGE

    1. Measure the battery voltage.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

    Result

    Proceed to

    NEXT
    NEXT

  4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Using the GTS, check for CAN communication system DTCs.

      w/ Central Gateway ECU:Click here

      w/o Central Gateway ECU:Click here

    Result

    Result

    Proceed to

    CAN DTCs are not output

    A

    CAN DTCs are output (w/ Central Gateway ECU)

    B

    CAN DTCs are output (w/o Central Gateway ECU)

    C
    B

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    C

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    A

  5. PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table.

      Click here

    Result

    Result

    Proceed to

    Fault is not listed in Problem Symptoms Table

    A

    Fault is listed in Problem Symptoms Table

    B
    B

    REPAIR OR REPLACEClick here

    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Terminals of ECU

      Click here

    2. Data List / Active Test

      Click here

    3. Operation Check

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  7. REPAIR OR REPLACE

    Result

    Proceed to

    NEXT
    NEXT

  8. CONFIRMATION TEST

    Result

    Proceed to

    NEXT
    NEXT

    END